TY - RPRT TI - Controlled-release penicillin complexes. High-performance liquid chromatography and assay. AU - W J Irwin AU - J M Hempenstall AU - A Li Wan Po PY - 1984 DO - 10.1016/s0021-9673(01)87676-7 UR - https://pubmed.ncbi.nlm.nih.gov/6725458/ ID - 6725458 ER -